Method and apparatus for improving boiler combustion
USRE43733E1 · kind E1 · reissue
0Cited by
14References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2009 |
| Grant date | Oct 16, 2012 |
| Priority date | — |
| Expiry date | Mar 4, 2029 |
Classification
- Technology area (CPC —)General
Abstract
A combustion air system for a recovery boiler is described in which multiple levels of secondary and tertiary combustion air ports each have an even number of ports, with the ports on opposing walls interlaced. The air system lends itself equally well to front/rear wall or sidewall applications and is especially beneficial for rectangular boilers. The air system features large and small-scale horizontal circulation zones superimposed on each other and the ability to adjust the angle of the air jets. Additional features include port dampers for the starting burners and system control based on kinetic energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.